基于GF-1卫星遥感数据识别京津冀冬小麦面积

王利民, 刘佳, 杨福刚, 杨玲波, 姚保民, 王小龙

Acguisition of Winter Wheat Area in the Beijing-Tianjin-Hebei Region with GF-1 Satellite Data

Li-Min WANG, Jia LIU, Fu-Gang YANG, Ling-Bo YANG, Bao-Min YAO, Xiao-Long WANG

表3 监督分类方案与WWAI算法精度比较

Table 3 Comparison on accuracy between supervised classification method and WWAI algorithm

指标 Index 最大似然监督分类 Maximum likelihood 冬小麦面积指数 Winter wheat area index 冬小麦 Winter wheat 其他地表物 Other ground objectives 冬小麦 Winter wheat 其他地表物 Other ground objectives 用户精度 User accuracy (%) 87.88 95.24 87.35 93.08 制图精度 Mapping accuracy (%) 95.11 88.18 90.34 90.85 总体精度 Overall accuracy (%) 91.46 90.64 Kappa系数 Kappa coefficient 0.83 0.81